<!doctype html>
<html>

	<head>
		<meta charset="utf-8">
		<style>
			body {
				line-height: 1.8;
				font-size: 14px;
				padding: 15px;
				word-break: break-all;
			}
		</style>
	</head>

	<body>$str</body>

</html>